ATI’s Stream 2.0 performance…

You should check out ATI’s Stream 2.0 driver stack if you own a compatible GPU and happen to be able to jump through all the hoops required to get it working. My HD4850 did around 8.000 PMKs/s on Stream 1.4 (aka Brook+) and now does around 17.000 PMKs/s on Stream 2.0 (OpenCL).

Finally there is a benefit to ruin your system-installation with ATIs broken driver packages…